{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:HEUYYRXLHLOTWVWFYMLG7JDEQ5","short_pith_number":"pith:HEUYYRXL","canonical_record":{"source":{"id":"1005.0966","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-06T10:23:43Z","cross_cats_sorted":[],"title_canon_sha256":"3201f25a089f505f6dfa094c6be1bd408c5aa1bc7b3101ad6f2017b3d7f320c9","abstract_canon_sha256":"8a93a0467bc0900aca0d888a08df90b493db0dfb7b78110cefc4ff0d65bdc4e3"},"schema_version":"1.0"},"canonical_sha256":"39298c46eb3add3b56c5c3166fa464875e76b18e4a6f1d84655e47bc3320075c","source":{"kind":"arxiv","id":"1005.0966","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.0966","created_at":"2026-05-18T02:07:42Z"},{"alias_kind":"arxiv_version","alias_value":"1005.0966v1","created_at":"2026-05-18T02:07:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.0966","created_at":"2026-05-18T02:07:42Z"},{"alias_kind":"pith_short_12","alias_value":"HEUYYRXLHLOT","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HEUYYRXLHLOTWVWF","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HEUYYRXL","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:HEUYYRXLHLOTWVWFYMLG7JDEQ5","target":"record","payload":{"canonical_record":{"source":{"id":"1005.0966","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-06T10:23:43Z","cross_cats_sorted":[],"title_canon_sha256":"3201f25a089f505f6dfa094c6be1bd408c5aa1bc7b3101ad6f2017b3d7f320c9","abstract_canon_sha256":"8a93a0467bc0900aca0d888a08df90b493db0dfb7b78110cefc4ff0d65bdc4e3"},"schema_version":"1.0"},"canonical_sha256":"39298c46eb3add3b56c5c3166fa464875e76b18e4a6f1d84655e47bc3320075c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:42.182239Z","signature_b64":"skcaKC7GESj6Xvgz84MiSUcXvunNtRYXkGb5l2H0bpRuZ8tYaV/gdY5rtucMm2NW9sRIuS5a4KBjztwzvEPvDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39298c46eb3add3b56c5c3166fa464875e76b18e4a6f1d84655e47bc3320075c","last_reissued_at":"2026-05-18T02:07:42.181473Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:42.181473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.0966","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:07:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q5kZObI3rugSRr3hyyKYY2IhjGq5be8lyrcHWc8CW1nWz/ECNpSaUEnt8tbuDWuCZuVXKFAKXDbMRFKmd+wBCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T06:52:05.539997Z"},"content_sha256":"459e79a0c5b289e9ca32a508939b1e101ad9c80e13627cb453e8d894f53a51dd","schema_version":"1.0","event_id":"sha256:459e79a0c5b289e9ca32a508939b1e101ad9c80e13627cb453e8d894f53a51dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:HEUYYRXLHLOTWVWFYMLG7JDEQ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"OGLE 2008--BLG--290: An accurate measurement of the limb darkening of a Galactic Bulge K Giant spatially resolved by microlensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Allan, A. Cassan, A.C. Gilmore, A. Cole, A. Fukui, A. Gould, A. Riffeser, A. Udalski, A.V. Korpela, A. Williams, B.-G. Park, B.S. Gaudi, C. Coutures, C.C. Thone (The MiNDSTEp Consortium), C. Han, C.-H. Lee, C.H. Ling, C.J. Mottram, C. Liebig, C. Snodgrass, C.-U. Lee, D. Dominis Prester, D. Heyrovsky, D. Kubas, D.L. Depoy, D.M. Bramich, D.P. Bennett, D. Ricci, D. Sullivan, E. Hawkins, E. Kerins, E.S. Saunders, F. Abe, G. Masi, G. Pietrzynski, G. Scarpetta, I.A. Bond, I.A. Steele, I. Papadakis, I. Soszynski, J.A.R. Caldwell, J.B. Hearnshaw, J.-B. Marquette, J.C. Yee, J. Donatowicz, J. Greenhill, J. Menzies, J.-P. Beaulieu, J. Southworth, J. Surdej, J. Wambsganss, K.C. Sahu, K. Furusawa, K. Harpsoe, K.H. Cook, K. Horne, K.~Kamiya, K. Masuda, K. Ohnishi, K.R. Pollard, K. Ulaczyk, L.A.G. Monard, L. Mancini, L. Skuljan, L. Wyrzykowski (The OGLE Collaboration), M.D. Albrow, M. Dominik, M.F. Bode, M. Hundertmark, M.J. Burgdorf, M.K. Szymanski, M. Kubiak, M. Mathiasen, M. Nagaya, M. Zub (the PLANET Collaboration), N. Clay, N.J. Rattenbury, N. Kains, N. Miyake, O. Szewczyk, P.C.M. Yock (The MOA Collaboration), P. Fouque, P.J. Tristram, P.J. Wheatley (The RoboNet-II Collaboration), P. Kjaergaard, P.M. Kilmartin, R. Bender (The WeCAPP collaboration), R. Martin, R. Street, R.W. Pogge (The muFUN Collaboration), S. Brillant, S. Calchi Novati, S. Dieters, S. Dong, S. Kozlowski, S.N. Fraser, S. Nishiyama, S. Rahvar, S.R. Kane, S. Sato, S.~Seitz, T.A. Lister, T. Anguita, T.C. Hinse, T. Okumura, To. Saito, T. Sako, T. Sumi, U.G. Jorgensen, V. Batista, V. Bozza, W. Lin, W. Sweatman, Y. Itow, Y. Matsubara, Y. Muraki, Y. Perrott, Y. Tsapras","submitted_at":"2010-05-06T10:23:43Z","abstract_excerpt":"Gravitational microlensing is not only a successful tool for discovering distant exoplanets, but it also enables characterization of the lens and source stars involved in the lensing event. In high magnification events, the lens caustic may cross over the source disk, which allows a determination of the angular size of the source and additionally a measurement of its limb darkening. When such extended-source effects appear close to maximum magnification, the resulting light curve differs from the characteristic Paczynski point-source curve. The exact shape of the light curve close to the peak "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.0966","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:07:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BOKczXmCqPZ39h+UTKFanFsDK5UbJVrMwr3LXKJ/21fUXbKhJiaamq8EsbNcThea82+vBFaHtleMqkbMRhCCCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T06:52:05.540629Z"},"content_sha256":"fa7cee5c652dce4dc88f731afcb1255afbcd8bde1604c43cf022f7be6b06d2a5","schema_version":"1.0","event_id":"sha256:fa7cee5c652dce4dc88f731afcb1255afbcd8bde1604c43cf022f7be6b06d2a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HEUYYRXLHLOTWVWFYMLG7JDEQ5/bundle.json","state_url":"https://pith.science/pith/HEUYYRXLHLOTWVWFYMLG7JDEQ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HEUYYRXLHLOTWVWFYMLG7JDEQ5/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-14T06:52:05Z","links":{"resolver":"https://pith.science/pith/HEUYYRXLHLOTWVWFYMLG7JDEQ5","bundle":"https://pith.science/pith/HEUYYRXLHLOTWVWFYMLG7JDEQ5/bundle.json","state":"https://pith.science/pith/HEUYYRXLHLOTWVWFYMLG7JDEQ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HEUYYRXLHLOTWVWFYMLG7JDEQ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:HEUYYRXLHLOTWVWFYMLG7JDEQ5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"8a93a0467bc0900aca0d888a08df90b493db0dfb7b78110cefc4ff0d65bdc4e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-06T10:23:43Z","title_canon_sha256":"3201f25a089f505f6dfa094c6be1bd408c5aa1bc7b3101ad6f2017b3d7f320c9"},"schema_version":"1.0","source":{"id":"1005.0966","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.0966","created_at":"2026-05-18T02:07:42Z"},{"alias_kind":"arxiv_version","alias_value":"1005.0966v1","created_at":"2026-05-18T02:07:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.0966","created_at":"2026-05-18T02:07:42Z"},{"alias_kind":"pith_short_12","alias_value":"HEUYYRXLHLOT","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HEUYYRXLHLOTWVWF","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HEUYYRXL","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:fa7cee5c652dce4dc88f731afcb1255afbcd8bde1604c43cf022f7be6b06d2a5","target":"graph","created_at":"2026-05-18T02:07:42Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Gravitational microlensing is not only a successful tool for discovering distant exoplanets, but it also enables characterization of the lens and source stars involved in the lensing event. In high magnification events, the lens caustic may cross over the source disk, which allows a determination of the angular size of the source and additionally a measurement of its limb darkening. When such extended-source effects appear close to maximum magnification, the resulting light curve differs from the characteristic Paczynski point-source curve. The exact shape of the light curve close to the peak ","authors_text":"A. Allan, A. Cassan, A.C. Gilmore, A. Cole, A. Fukui, A. Gould, A. Riffeser, A. Udalski, A.V. Korpela, A. Williams, B.-G. Park, B.S. Gaudi, C. Coutures, C.C. Thone (The MiNDSTEp Consortium), C. Han, C.-H. Lee, C.H. Ling, C.J. Mottram, C. Liebig, C. Snodgrass, C.-U. Lee, D. Dominis Prester, D. Heyrovsky, D. Kubas, D.L. Depoy, D.M. Bramich, D.P. Bennett, D. Ricci, D. Sullivan, E. Hawkins, E. Kerins, E.S. Saunders, F. Abe, G. Masi, G. Pietrzynski, G. Scarpetta, I.A. Bond, I.A. Steele, I. Papadakis, I. Soszynski, J.A.R. Caldwell, J.B. Hearnshaw, J.-B. Marquette, J.C. Yee, J. Donatowicz, J. Greenhill, J. Menzies, J.-P. Beaulieu, J. Southworth, J. Surdej, J. Wambsganss, K.C. Sahu, K. Furusawa, K. Harpsoe, K.H. Cook, K. Horne, K.~Kamiya, K. Masuda, K. Ohnishi, K.R. Pollard, K. Ulaczyk, L.A.G. Monard, L. Mancini, L. Skuljan, L. Wyrzykowski (The OGLE Collaboration), M.D. Albrow, M. Dominik, M.F. Bode, M. Hundertmark, M.J. Burgdorf, M.K. Szymanski, M. Kubiak, M. Mathiasen, M. Nagaya, M. Zub (the PLANET Collaboration), N. Clay, N.J. Rattenbury, N. Kains, N. Miyake, O. Szewczyk, P.C.M. Yock (The MOA Collaboration), P. Fouque, P.J. Tristram, P.J. Wheatley (The RoboNet-II Collaboration), P. Kjaergaard, P.M. Kilmartin, R. Bender (The WeCAPP collaboration), R. Martin, R. Street, R.W. Pogge (The muFUN Collaboration), S. Brillant, S. Calchi Novati, S. Dieters, S. Dong, S. Kozlowski, S.N. Fraser, S. Nishiyama, S. Rahvar, S.R. Kane, S. Sato, S.~Seitz, T.A. Lister, T. Anguita, T.C. Hinse, T. Okumura, To. Saito, T. Sako, T. Sumi, U.G. Jorgensen, V. Batista, V. Bozza, W. Lin, W. Sweatman, Y. Itow, Y. Matsubara, Y. Muraki, Y. Perrott, Y. Tsapras","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-06T10:23:43Z","title":"OGLE 2008--BLG--290: An accurate measurement of the limb darkening of a Galactic Bulge K Giant spatially resolved by microlensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.0966","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:459e79a0c5b289e9ca32a508939b1e101ad9c80e13627cb453e8d894f53a51dd","target":"record","created_at":"2026-05-18T02:07:42Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"8a93a0467bc0900aca0d888a08df90b493db0dfb7b78110cefc4ff0d65bdc4e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-06T10:23:43Z","title_canon_sha256":"3201f25a089f505f6dfa094c6be1bd408c5aa1bc7b3101ad6f2017b3d7f320c9"},"schema_version":"1.0","source":{"id":"1005.0966","kind":"arxiv","version":1}},"canonical_sha256":"39298c46eb3add3b56c5c3166fa464875e76b18e4a6f1d84655e47bc3320075c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39298c46eb3add3b56c5c3166fa464875e76b18e4a6f1d84655e47bc3320075c","first_computed_at":"2026-05-18T02:07:42.181473Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:42.181473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"skcaKC7GESj6Xvgz84MiSUcXvunNtRYXkGb5l2H0bpRuZ8tYaV/gdY5rtucMm2NW9sRIuS5a4KBjztwzvEPvDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:42.182239Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.0966","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:459e79a0c5b289e9ca32a508939b1e101ad9c80e13627cb453e8d894f53a51dd","sha256:fa7cee5c652dce4dc88f731afcb1255afbcd8bde1604c43cf022f7be6b06d2a5"],"state_sha256":"ab000d3c060be71ad4535683a16ba52855c15f71216a5b8c4ebd5c37c915cc23"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ozDK2e+VYtj+rj4gz6eUDLl7rK4lWAmRxLU7KulLHdkGHhrR68KRvGrs/d5Qd2lGoxgeJS9ZZetd/EOcmaETBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T06:52:05.545216Z","bundle_sha256":"9837db77ddbb2e8c1fbd012fa1ae7df5a2df1ee76a9eabb8e0a4d5cf84db7a96"}}